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Wiseco Yamaha YZ450F 2014-2017 Piston Kit with Gasket PK1900

Part Number: 09031144
WISECO
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SKU:
09031144
MPN:
PK1900
Condition:
New
Availability:
Ships Same Business Day
Weight:
1.75 LBS
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$289.95
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Description

The Wiseco PK1900 piston kit restores lost compression and combustion efficiency in high-mileage YZ450F engines, delivering measurable gains in throttle response and power delivery. Whether you're rebuilding after a top-end failure or upgrading for race season, this forged piston combines durability with the precision fitment your 2014-2017 YZ450F demands. The ArmorGlide coating reduces friction wear, extending ring life and maintaining consistent performance through repeated heat cycles.

  • 97.00 mm bore diameter
  • 12.5:1 compression ratio
  • Precision forged construction
  • ArmorGlide friction coating
  • Fits YZ450F 2014-2017
  • Also fits WR450F, YZ450FX
  • Includes gasket set
  • Bolt-on installation
  • MPN: PK1900
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Specs

BORE SIZE METRIC:
97.00 MM
ENGINE TYPE:
4-STROKE
MODEL:
FORGED SERIES
PISTON DIAMETER METRIC:
96.95 MM
DISPLACEMENT:
449 CC
SKIRT COATING:
ARMORGLIDE®
PISTON MATERIAL:
2618 ALUMINUM ALLOY
PRODUCT NAME:
REBUILD KIT
TYPE:
TOP END
BORE - OVERSIZE:
STANDARD
BORE - OVERSIZE METRIC:
STANDARD
COMPRESSION RATIO IMPERIAL:
12.5:1
RIDING STYLE:
OFF-ROAD
STROKE LENGTH METRIC:
60.80 MM
UNITS:
KIT
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Fitment

Fitment for Wiseco Yamaha YZ450F 2014-2017 Piston Kit with Gasket PK1900

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